Question

1. Given below question are related with heating of an eletric iron box. Answer them.
a. Which is the part that produces heat in an electronic iron ?
b. Which nature of this part is made use in the above situation ?
c. What is the relation b/winensity of eletric current and heat energy generated ? [2]
d. What are the factors that affect the heat generated in such heating apparatus? [1]
e. What is the relation connecting these factors with the heat generated ? [1/2]
f. What is thes law known as ?
[1/2]
g. Name a device that works on this law used for ensuring safety in eletric circutes
[1]​

Answer 1

Answer:

a. Heating coil

b. High resistivity, High melting point

c. As electric current increases, Heat energy increases.

d. Electric current, Resistance, time

e. H=I²Rt

f. Joules law

g. Safety fuse

hope it's helpful!!!